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The stenosis (narrowing) of the right internal vein is mild and accounts for only 40–45% (the IJV is open by 60–55%. This does not significantly affect blood flow for right IJV). And most importantly, he (Jordan) claims (says) that he has no vascular symptoms (dont have), such as: fog in the head, intracranial pressure, nasal congestion, headaches, tinnitus, he doesn’t feel short of breath (no suffocation), (possibly dizziness). This is quite strange, and very interesting, because the left IJV and the transverse venous sinus are very thin (due to the jugular foramen). Perhaps in his case one working side of the internal jugular veins is still sufficient for normal venous outflow (Although this is very strange, it’s interesting, since his left transverse sinus and vein are very thin. And theoretically, he should have symptoms. Although it’s possible that one side and well‑developed venous collaterals are sufficient.).
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Resection of C1 on the left side (will practically yield no results) will have virtually no effect on venous outflow on the left (the left IJV will not dilate, since the main problem with the thin left IJV is the jugular foramen). There is a very small chance of success in expanding the left internal jugular vein (IJV) in his case with C1 resection.
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